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-rw-r--r--DOCS/man/en/mplayer.110
1 files changed, 6 insertions, 4 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index 510b56cb24..959d717421 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -4065,10 +4065,12 @@ Audio bitrate in kBit (default 224).
Use the specified Windows audio format tag (e.g.\& atag=0x55).
.TP
.B bit_exact
-Use only bit exact algorithms (except (i)dct).
-This also suppresses the user_data header in MPEG-4 streams
-(that section causes some players such as Apple's
-Quicktime player to declare the stream corrupt).
+Use only bit exact algorithms (except (i)dct).
+Additionally bit_exact disables several optimizations and thus
+should only be used for regression tests, which need binary
+identical files even if the encoder version changes.
+This also suppresses the user_data header in MPEG-4 streams.
+Do not use this option unless you know exactly what you are doing.
.TP
.B vcodec=<value>
use the specified codec (default: mpeg4):